Finish drilling top skins to final size. Installed bottom Right skins to wing. Drill to #40 size. Remove bottom skins from wing. Built cradle for leading edges. Install w709 ribs to w 701 leading edge right skin. cleaco to spar. installed w408-I into place, aand drill from spar to back of rib. Installed w 423 (joint plate) into position. This gave me lots of trouble getting lined up correctly. drill w-701skin to wing.